Van Dinh Nguyen

Work place: Faculty of Information Technology, Vietnam National University of Agriculture, Vietnam



Research Interests: Knowledge Management, Fuzzy Systems, Soft Computing, Data Mining, Artificial Intelligence


V.D. Nguyen was born on the year 1953 in Hanoi, Vietnam. He was a post-graduate intern in computer Science in Moscow, The Russian Federation. In 2004 he received the Doctor of Philosophy (PhD) Degree in Mathematics at the Vietnam National University (VNU), Hanoi. Now he is an Associate Professor in the Department of applied Maths-Informatics, Faculty of Information Technology, Vietnam National University of Agriculture (VNUA). 

Author Articles
Support-Intuitionistic Fuzzy Set: A New Concept for Soft Computing

By Xuan Thao Nguyen Van Dinh Nguyen

DOI:, Pub. Date: 8 Mar. 2015

Today, soft computing is a field that is used a lot in solving real-world problems, such as problems in economics, finance, banking... With the aim to serve for solving the real problem, many new theories and/or tools which were proposed, improved to help soft computing used more efficiently. We can mention some theories as fuzzy sets theory (L. Zadeh, 1965), intuitionistic fuzzy set (K Atanasov, 1986). In this paper, we introduce a new notion of support-intuitionistic fuzzy (SIF) set, which is the combination a intuitionistic fuzzy set with a fuzzy set. So, SIF set is a directly extension of fuzzy set and intuitionistic fuzzy sets (Atanassov). Then, we define some operators on support-intuitionistic fuzzy sets, and investigate some properties of these operators.

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Rough Fuzzy Relation on Two Universal Sets

By Xuan Thao Nguyen Van Dinh Nguyen Doan Dong Nguyen

DOI:, Pub. Date: 8 Mar. 2014

Fuzzy set theory was introduced by L.A. Zadeh in 1965. Immediately, it has many applications in practice and in building databases, one of which is the construction of a fuzzy relational database based on similar relationship. The study of cases of fuzzy relations in different environments will help us understand its applications. In this paper, the rough fuzzy relation on Cartesian product of two universe sets is defined, and then the algebraic properties of them, such as the max, min, and composition of two rough fuzzy relations are examined. Finally, reflexive, α-reflexive, symmetric and transitive rough fuzzy relations on two universe sets are also defined.

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Other Articles